AUTOMATIC - Automatic access for up to 40 head. The AUTOFOUNT has a quick refill function, which means less waiting for water, and better hydration for all your animals. AUTOFOUNT saves water by reducing waste. Hinged cover allows easy access to the fully insulated chamber. Heavy-duty Polyethylene construction and worry free float system ensure years of trouble free service. Entire AUTOFOUNT backed by a full 10-year warranty. Water meter available separately.